Related Clues:

• Frequent estate sharers, briefly
• Brothers and sisters, briefly
• Some family members, informally
• Some blood relatives, for short
• Twins, e.g., for short
• Rivals, maybe
• Rivals for the folks' attention, maybe
• Donny and Marie, e.g.
• Twins, for example
• They're often rivals
• Young rivals, often
• Hand-me-down recipients
• Brothers and sisters, for short
• The Baldwins, e.g.
• Close relatives